Clean Yield Group Merck & Co., Inc. Transaction History

Clean Yield Group

$311 Million
Q2 2025

A detailed history of Clean Yield Group transactions in Merck & Co., Inc. stock. As of the latest transaction made, Clean Yield Group holds 10,640 shares of MRK stock, worth $948,981. This represents 0.27% of its overall portfolio holdings.

Number of Shares

10,640

Previous 11,037 3.6%

Holding current value

$948,981

Previous $990,000 14.95%

% of portfolio

0.27%

Previous 0.35%

26 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Jul 17, 2025	SELL	$73.47 - $87.12 $29,167 - $34,586	-397 Reduced 3.6%	10,640 $842,000
Q1 2025 Apr 14, 2025	SELL	$83.01 - $101.02 $37,935 - $46,166	-457 Reduced 3.98%	11,037 $990,000
Q4 2024 Jan 13, 2025	SELL	$96.31 - $114.76 $15,505 - $18,476	-161 Reduced 1.38%	11,494 $1.14 Million
Q3 2024 Oct 07, 2024	SELL	$111.15 - $128.97 $52,240 - $60,615	-470 Reduced 3.88%	11,655 $1.32 Million
Q1 2024 May 29, 2024	SELL	$113.24 - $131.95 $11,324 - $13,194	-100 Reduced 0.82%	12,125 $1.6 Million
Q4 2023 Jan 24, 2024	SELL	$100.18 - $109.02 $18,232 - $19,841	-182 Reduced 1.47%	12,225 $1.33 Million
Q3 2023 Oct 12, 2023	BUY	$102.95 - $114.33 $119,936 - $133,194	1,165 Added 10.36%	12,407 $1.28 Million
Q2 2023 Jul 26, 2023	SELL	$108.61 - $118.38 $32,583 - $35,514	-300 Reduced 2.6%	11,242 $1.3 Million
Q1 2023 Apr 26, 2023	SELL	$102.94 - $114.86 $37,161 - $41,464	-361 Reduced 3.03%	11,542 $1.23 Million
Q4 2022 Jan 31, 2023	BUY	$87.44 - $112.11 $39,348 - $50,449	450 Added 3.93%	11,903 $1.32 Million
Q3 2022 Oct 31, 2022	BUY	$84.53 - $94.96 $3,550 - $3,988	42 Added 0.37%	11,453 $986,000
Q1 2022 Apr 25, 2022	SELL	$73.51 - $82.4 $4,851 - $5,438	-66 Reduced 0.58%	11,411 $936,000
Q4 2021 Jan 24, 2022	SELL	$72.28 - $90.54 $54,788 - $68,629	-758 Reduced 6.2%	11,477 $880,000
Q3 2021 Oct 27, 2021	BUY	$71.68 - $78.83 $8,243 - $9,065	115 Added 0.95%	12,235 $919,000
Q2 2021 Jul 26, 2021	BUY	$70.31 - $77.77 $4,921 - $5,443	70 Added 0.58%	12,120 $943,000
Q1 2021 Apr 26, 2021	SELL	$68.86 - $81.11 $42,624 - $50,207	-619 Reduced 4.89%	12,050 $929,000
Q4 2020 Jan 26, 2021	SELL	$71.77 - $79.65 $1,291 - $1,433	-18 Reduced 0.14%	12,669 $1.04 Million
Q3 2020 Oct 16, 2020	BUY	$73.18 - $82.95 $9,952 - $11,281	136 Added 1.08%	12,687 $1.05 Million
Q1 2020 Apr 20, 2020	SELL	$63.36 - $87.82 $2.15 Million - $2.98 Million	-33,956 Reduced 73.01%	12,551 $966,000
Q4 2019 Jan 17, 2020	BUY	$77.58 - $87.54 $113,654 - $128,246	1,465 Added 3.25%	46,507 $4.23 Million
Q2 2019 Jul 22, 2019	BUY	$69.84 - $81.59 $187,380 - $218,905	2,683 Added 6.33%	45,042 $3.78 Million
Q1 2019 Apr 24, 2019	SELL	$69.58 - $79.36 $39,034 - $44,520	-561 Reduced 1.31%	42,359 $3.52 Million
Q4 2018 Jan 23, 2019	BUY	$65.24 - $75.71 $123,499 - $143,319	1,893 Added 4.61%	42,920 $3.28 Million
Q2 2018 Jul 24, 2018	SELL	$50.83 - $59.72 $86,411 - $101,524	-1,700 Reduced 3.98%	41,027 $2.49 Million
Q1 2018 Apr 23, 2018	SELL	$50.96 - $59.23 $25,480 - $29,615	-500 Reduced 1.16%	42,727 $2.33 Million
Q3 2017 Oct 11, 2017	BUY	$58.67 - $63.13 $2.54 Million - $2.73 Million	43,227	43,227 $2.77 Million

Others Institutions Holding MRK

# of Institutions

3,842

Shares Held

1.96B

Call Options Held

29.2M

Put Options Held

30M

View Full List

About Merck & Co., Inc.

Ticker MRK
Exchange NYSE
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 2,533,280,000
Market Cap $226B
Description
Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, ...

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Clean Yield Group Merck & Co., Inc. Transaction History